rust-clippy/tests/ui/option_option.stderr
2019-01-08 21:46:39 +01:00

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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:1:13
|
LL | fn input(_: Option<Option<u8>>) {}
| ^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::option-option` implied by `-D warnings`
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:3:16
|
LL | fn output() -> Option<Option<u8>> {
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:7:27
|
LL | fn output_nested() -> Vec<Option<Option<u8>>> {
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:12:30
|
LL | fn output_nested_nested() -> Option<Option<Option<u8>>> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:17:8
|
LL | x: Option<Option<u8>>,
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:21:23
|
LL | fn struct_fn() -> Option<Option<u8>> {
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:27:22
|
LL | fn trait_fn() -> Option<Option<u8>>;
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:31:11
|
LL | Tuple(Option<Option<u8>>),
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:32:17
|
LL | Struct { x: Option<Option<u8>> },
| ^^^^^^^^^^^^^^^^^^
error: aborting due to 9 previous errors